In addition to promoting domestic resources, taking advantage of foreign direct investment is considered as a smart to shorten the time of initial capital accumulation, creating a solid premise for economic development, especially for developing countries. Therefore, FDI is considered as the "golden key" to open the door of prosperity for nations. In recent years, the number of countries investing in Vietnam has been increasing, especially Korea. This in addition to creating favorable conditions for the country's development such as creating jobs for workers, increasing investment capital for facilities . also causes many disadvantages and damages to the economy in the long term. Therefore, the purpose of the study is to find out the impact foreign direct investment into Vietnam. | Special topic: Research the foreign direct investment of south Korea to Vietnam in recent years